R1:af36da47417c

Rename example sshd files

Test Plan: Looked at new files, made sure the only changes were to rename the files in line with the documentation

Reviewers: O1 Blessed Committers, eax

Reviewed By: O1 Blessed Committers, eax

Subscribers: speck, tobiaswiese

Maniphest Tasks: T15017

Differential Revision: https://we.phorge.it/D25010